Newz6, 2026, Polymarket promo code MASS has been upgraded for the series finale between the Boston Red Sox and Chicago White Sox at Fenway Park. Eligible first-time users can enter MASS during registration, deposit at least $10 and receive $20 in bonus trading funds for a $30 starting balance. The bonus may be used on available moneylines, run lines, totals and other MLB prediction markets.
Photo Credit: Craig Dudek Photo Credit: Craig Dudek This article contains references to products from our advertisers and/or partners, and we may receive compensation when you click on links to products and services New players can register with BetMGM bonus code TOP1500 to unlock a $1,500 first bet. Use bonus code TOP150 to secure a $150 bonus in select states (MI, NJ, PA, WV). This is an opportunity for players to raise the stakes on Thursday’s MLB games.
New players can start locking in bonuses on White Sox-Red Sox, Padres-Diamondbacks or any other game this week. Let’s take a deeper dive into the details of these BetMGM promos. BetMGM Bonus Code TOP1500 Delivers $1,500 First Bet Whether you are placing wagers on the Chicago White Sox against the Boston Red Sox, the San Diego Padres taking on the Arizona Diamondbacks, or the Washington Nationals facing the Philadelphia Phillies, there is a specialized welcome offer available based on your location.
Review the details in the table below to find the correct promotional code and offer structure for your region. BetMGM Bonus Code (MI, NJ, PA, WV) TOP150 New User Offer (MI, NJ, PA, WV) Bet $10, Get $150 Bonus BetMGM Bonus Code TOP1500 New User Offer $1,500 First Bet Offer Bonuses Last Verified On August 6, 2026 Bettors located in Michigan, New Jersey, Pennsylvania, and West Virginia can take advantage of the specific “Bet $10, Get $150” bonus using code TOP150. This offer awards $150 in bonus bets if your initial $10 wager is a winner.
Please note that the $1,500 first-bet offer is not available in these four states. For new users registering in all other participating US states outside of MI, NJ, PA, WV, and NY, the exclusive welcome promo is the $1,500 first-bet offer using code TOP1500. With this promotion, you can wager up to $1,500 on your opening bet—perhaps backing the Philadelphia Phillies (61-54) against the Nationals, or taking the Boston Red Sox (62-51) in their matchup against the White Sox.
If your qualifying first bet comes up short, BetMGM will refund your initial stake in the form of bonus bets, up to the $1,500 maximum limit. MLB Betting Preview, Odds Before you place your first wager, check out the odds for the upcoming MLB schedule. Here are the current BetMGM lines for the slated matchups: Chicago White Sox at Boston Red Sox Moneyline: White Sox +154 / …
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